How to install external USB to serial adaptor P/N 11S000155
The serial to USB adaptor won’t support the null modem. Plug the Null Modem serial
cable to the printer then plug the adaptor to the Null modem cable. Then plug it into the
USB connector on your computer.
Turn on your computer and make sure the USB port is available
Place the CD in the CD drive that came with the USB to serial able adaptor
Open the USB to Serial Adaptor folder
Then open the Windows Drivers folder
Now open the PL-2303 Driver Installer folder
Follow the Wizard
Click Next Then Click Finish
Look in the device Manager to see what port to sent the data to in this case it went to
Open the Driver Properties
Click on the Ports Tab and make sure it is set to the port that is shown in the Device
Click on the General Tab. Then Click on Print a test page.